Good day! I am trying to find a good alternative as not to use the"smart" functions or using an Xbox to consume our media. I found a few options ie like plasma big screen but it’s no longer in development. Essentially I would line love to have it running on an rpi4 and just hooked up to the TV.
Some devices will prompt you to upgrade the firmware and won’t let you do it without internet access, AFTER you’re logged in to their platform.